Explain the sublimation, melting and condensation in the kinetic theory of matter​

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw